Starter quiz

  • Which of these pictures shows a squash?
    • squeezing blu-tack between finger and thumb
      squeezing blu-tack between finger and thumb  ✓
    • pulling blu-tack between two hands
      pulling blu-tack between two hands
    • twisting the blu-tack between two hands
      twisting the blu-tack between two hands
  • A ______ force happens when two surfaces move over each other.
    • 'Friction' ✓
  • What do friction forces do to moving objects?
    • speed them up
    • slow them down  ✓
    • change their colour
    • change their weight
  • Which material can you squash?
    • dough
      dough  ✓
    • wood
      wood
    • brick
      brick
  • How would you make this light switch work?
    How would you make this light switch work?
    • push it  ✓
    • pull it
    • twist it
  • Are friction forces helpful or unhelpful for these activities? Match the word to the activity.
    • unhelpful
      ⇔
      travelling down a slide fast ✓
    • helpful
      ⇔
      running along a running track ✓
+